. and, as it does so, what safe dwaurdz is the u.s. taking to protect crews from the radiation exposure here? >> reporter: yes, shep, u.s. heavily involved in the relief operations here. dealing with the post-earthquake and tsunami situation but also, concern about the people involved, regarding the radiation levels. fox news can confirm that air crewmen, again, were believed to be exposed to radiation and they were probably running the helicopters, bringing in their relief to the region, and they were given iodine pills and decontaminated and, three ships involved in the marine task force have been redirected to the west side of the island we are on, away from the exposure to radiation and other folks on bases being told to stay indoors when they can and other countries taking even more drastic steps, where the u.s. is concerned, shep. >> shepard: yes. i'm sure, and, you know, greg, we both know how cold it is here. tonight, well, this is wednesday morning, now, but wednesday night in japan, along sendai and the northeastern coast, they are expecting snow and the sizable amount of it,